package java56_5;

public class Car {
	String brand;
	String color;

	public Car(String brand, String color) {
		super();
		this.brand = brand;
		this.color = color;
	}

	public void start() {
		System.out.println("开车" + color + "的" + brand + "出去兜风");
	}

	public void prepare() {
		ChangeColor();
	}

	private void ChangeColor() {
		color = "灰色";
	}
}
